The U.S. dollar has weakened sharply against the Japanese yen after U.S. President Donald Trump and Japan's finance minister confirmed both sides had intervened in marketsUS dollar weakens sharply against the Japanese yen after market interventionsA person walks past an electronic board showing the U.S. dollar and Japanese yen exchange rate at a securities firm in Tokyo on Monday, Aug. 3, 2026. (AP Photo/Eugene Hoshiko)A person walks past an electronic board showing the U.S. dollar and Japanese yen exchange rate at a securities firm in Tokyo on Monday, Aug. 3, 2026. (AP Photo/Eugene Hoshiko)A person walks past an electronic board showing the U.S. dollar and Japanese yen exchange rate at a securities firm in Tokyo on Monday, Aug. 3, 2026. (AP Photo/Eugene Hoshiko)A person walks past an electronic board showing the U.S. dollar and Japanese yen exchange rate at a securities firm in Tokyo on Monday, Aug. 3, 2026. (AP Photo/Eugene Hoshiko)TOKYO -- The U.S. dollar weakened sharply Monday against the Japanese yen after U.S. President Donald Trump and Japan’s finance minister confirmed both sides had intervened in markets.